reveille
ˈrɛvəli
Definitions
1. noun
A signal, especially a bugle call, to wake up the troops at the start of the day.
“The reveille was heard throughout the camp, signaling the start of the day’s activities.”
2. verb
To wake up or rouse (someone) for the start of the day.
“The commander reveilled his troops, getting them ready for the morning briefing.”